Question: A solid aluminium sphere 0.1 metres in diameter and initially at 200C, is allowed to cool to the ambient temperature of 25C. The irreversibility

A solid aluminium sphere 0.1 metres in diameter and initially at 200C,

A solid aluminium sphere 0.1 metres in diameter and initially at 200C, is allowed to cool to the ambient temperature of 25C. The irreversibility of this process in kJ is (For aluminium, density =2700 kg/m specific heat = 0.9 kJ/kg.K) (a) 47.5 (c) 24.8 (b) 32.6 (d) 16.4

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